Precautions for purchase: The Bluetooth version is directly connected to Bluetooth pairing, suitable for computers, mobile phones, and tablets with Bluetooth; 1. After the iPhone and IPAD are connected, you cannot type, but can only enter numbers. If you need to type, the keyboard has a key to open it first. Turn off the keyboard and dial the switch back to automatically connect back. 2. The small keyboard cannot be used in the enter confirmation key in the lottery software; 3. The mobile phone is only a numeric keyboard, and you cannot play games or make calls;

USB wireless keyboard does not need to be paired, plug and play, suitable for desktop computers, laptops, and all-in-one computers with USB sockets;

Pairing steps of Bluetooth keyboard:
1. Turn the black power switch on the side, turn on the keyboard, the Bluetooth indicator key "00" flashes for one second, and then click the side Bluetooth activation button, the "00" indicator key slows down to enter the pairing mode.
2. Open the Bluetooth settings of the notebook, tablet, and mobile phone, add a Bluetooth device, search for Blutooth Keyboard devices, and click pair;
3. If the connection is not successful, turn off the Bluetooth switch, click the Bluetooth activation button again, and then pair;
4. The keyboard can automatically sleep, press any key to wake it up;
Aluminum alloy keyboard function: The keyboard supports Mac OS by default. Press and hold the ESC/F13 and Enter keys for 3 seconds to switch to the Windows system. It is suitable for a variety of Bluetooth devices. Support systems: Mac OS / Windows / iOS / Android;
The wireless Bluetooth transmission distance is 10m and the performance is stable and reliable;
Intelligent power saving, wireless connection, mute button, backlit button
Keyboard material: aviation aluminum alloy material, the product is light, durable, anti-cutting; silent, rebound words, scissors frame bracket, durable;
Keyboard features: seven-color adjustable backlight rotation, working time for turning off the backlight 220h/working time for turning on the backlight 10h, press and hold Esc+→(click) to switch the backlight color;
Battery: 1100mAh high-capacity polymer battery, Type-c charging interface, long battery life after one charge;